The Schneider Electric A9N18382 is a 2-pole Acti9 C120N miniature circuit breaker with a D tripping curve, rated 63 A at 30 °C.
Rated at 10 kA Icn at 400 V AC per EN/IEC 60898-1, and 6 kA Icu at 440 V AC per EN/IEC 60947-2. The D curve (10–14 x In magnetic trip) is sized for transformer inrush and motor-start loads — not general lighting or resistive circuits. The thermal-magnetic trip unit handles overloads on the bimetal side and short-circuits on the solenoid side.
Listed as current production. This is a standard-catalogue Acti9 C120N — no phase-out notice, no last-time-buy window.
